Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1984-12-28
1986-05-13
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430484, 430487, 430488, 430490, 430491, G03C 716
Patent
active
045886776
ABSTRACT:
A method for processing a silver halide color photosensitive material which comprises processing a silver halide color photosensitive material containing at least one 4-mercapto-5-pyrazolone type magenta coupler represented by formula (I) ##STR1## wherein W represents an aryl group; X represents an alkyl group, an aryl group or a heterocyclic ring group; and Y represents an acylamino group, a ureido group, or an anilino group; with a color developer containing at least one compound selected from a compound represented by formula (II) ##STR2## wherein R represents a lower alkyl group, and M.sub.1 and M.sub.2, which can be the same or different, each represents a hydrogen atom, and an alkali metal atom, or an ammonium group; a compound represented by formula (III) ##STR3## wherein M.sub.3, M.sub.4, M.sub.5, M.sub.6 and M.sub.7, which can be the same or different, each represents a hydrogen atom, an alkali metal atom, or an ammonium group, and n represents an integer of 1 or 2; and an aminopolyphosphonic acid, and a phosphonocarboxylic acid in a concentration greater than 5.0.times.10.sup.-3 mol/liter.
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Ishikawa Takatoshi
Nakajima Junya
Brown J. Travis
Fuji Photo Film Co. , Ltd.
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